Fundamentals of Cancer Pain Management
  MLA
  Leitner, Andrew, and Christine Chang. Fundamentals of Cancer Pain Management. Springer, 2021.
  APA
  Leitner, A., & Chang, C. (2021). Fundamentals of Cancer Pain Management. Springer.
  Chicago
  Leitner, Andrew, and Christine Chang. Fundamentals of Cancer Pain Management. : Springer, 2021.